topic Re: Degrees of polynomial in charts in New to QlikViewhttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972265#M224185
<HTML><HEAD></HEAD><BODY><P>We use this option for Forecasting. Please find the below details taken from QlikView reeference manual</P><P></P><P>In selected QlikView charts expression plots can be complemented or replaced</P><P>by statistical trend lines. Trend lines can only be displayed in scatter charts,</P><P>line charts and in bar/combo charts with maximally one dimension and one</P><P>expression shown as bars. For other types of charts, the settings in the Trendlines</P><P>group are unavailable and have no effect. In scatter charts the data points</P><P>are treated as if y=f(x). For bar, line and combo charts it is allowed to deselect</P><P>all options under Display Options and still add trend lines, which will then be</P><P>plotted without the underlying data points. Trend lines in bar, line and combo</P><P>charts may be extrapolated by specifying a forecast and/or backcast interval</P><P>(Axes page). The extrapolated lines will be dotted. Trend lines in charts with a</P><P>discrete x-axis will be shown as lines with symbols. On a continuous axis</P><P>only the line will be shown.</P><P>Average</P><P>The average is plotted as a straight line.</P><P>Linear</P><P>A linear regression line is plotted.</P><P>Polynomial of 2nd degree</P><P>A polynomial trend line of the second degree is plotted.</P><P>Polynomial of 3rd degree</P><P>A polynomial trend line of the third degree is plotted.</P><P>Polynomial of 4th degree</P><P>A polynomial trend line of the fourth degree is plotted.</P><P>Exponential</P><P>An exponential trend line is plotted.</P><P>Show Equation</P><P>If this check box is marked for a specific expression, the expression’s trend</P><P>lines will be complemented by the trendline equation expressed as text in the</P><P>chart.</P><P>Show R2</P><P>If this check box is marked for a specific expression, the expression’s trend</P><P>lines will be complemented by the coefficient of determination expressed as</P><P>text in the chart.</P></BODY></HTML>Fri, 04 Sep 2015 07:37:56 GMTkush1410872015-09-04T07:37:56ZDegrees of polynomial in chartshttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972263#M224183
<HTML><HEAD></HEAD><BODY><P>Hi All, When will you&nbsp; use Polynomial 2nd 3rd or 4th degree in charts? Thanks in advance.</P></BODY></HTML>Fri, 04 Sep 2015 07:27:09 GMThttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972263#M224183qlikviewwizard2015-09-04T07:27:09ZRe: Degrees of polynomial in chartshttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972264#M224184
<HTML><HEAD></HEAD><BODY><P style="font-size: 13px; font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; color: #3d3d3d;"> Expression tab:</P><P></P><TABLE cellspacing="0" class="TableStyle-LeftBold" style="border: 0px; font-size: 13px; font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; color: #3d3d3d;"><TBODY style="font-weight: inherit; font-style: inherit; font-family: inherit;"><TR class="Body-Body1" style="border: 0px; font-weight: inherit; font-style: inherit; font-family: inherit;"><TD class="BodyB-Column1-Body1" style="padding-right: 4px; padding-left: 4px; border: 0px; font-style: inherit; font-family: inherit;">Trendlines</TD><TD class="BodyA-Column2-Body1" style="padding-right: 4px; padding-left: 4px; border: 0px; font-style: inherit; font-family: inherit;">In selected QlikView charts expression plots can be complemented or replaced by statistical trend lines. Trend lines can only be displayed in scatter charts, line charts and in bar/combo charts with maximally one dimension and one expression shown as bars. For other types of charts, the settings in the <SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;">Trendlines</SPAN> group are unavailable and have no effect. In scatter charts the data points are treated as if y=f(x). For bar, line and combo charts it is allowed to deselect all options under <SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;">Display Options</SPAN> and still add trend lines, which will then be plotted without the underlying data points. Trend lines in bar, line and combo charts may be extrapolated by specifying a <SPAN style="font-weight: inherit; font-style: inherit; font-family: inherit; color: #ffffff; background-color: #3399ff;">forecast</SPAN>and/or backcast interval (<SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;">Axes</SPAN> page). The extrapolated lines will be dotted. Trend lines in charts with a discrete x-axis will be shown as lines with symbols. On a continuous axis only the line will be shown.<P></P><SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;">Average</SPAN><BR />The average is plotted as a straight line. <BR /><SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;">Linear</SPAN><BR />A linear regression line is plotted. <BR /><SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;"><STRONG>Polynomial of 2nd degree</STRONG></SPAN><BR /><STRONG>A polynomial trend line of the second degree is plotted. </STRONG><BR /><STRONG><SPAN class="Bold" style="font-style: inherit; font-family: inherit;">Polynomial of 3rd degree</SPAN></STRONG><BR /><STRONG>A polynomial trend line of the third degree is plotted. </STRONG><BR /><STRONG><SPAN class="Bold" style="font-style: inherit; font-family: inherit;">Polynomial of 4th degree</SPAN></STRONG><BR /><STRONG>A polynomial trend line of the fourth degree is plotted. </STRONG><BR /><SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;">Exponential</SPAN><BR />An exponential trend line is plotted. <BR /><SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;">Show Equation</SPAN><BR />If this check box is marked for a specific expression, the expression’s trend lines will be complemented by the trendline equation expressed as text in the chart. <BR /><SPAN class="Bold" style="font-weight: inherit; font-style: inherit; font-family: inherit;">Show R2</SPAN><BR />If this check box is marked for a specific expression, the expression’s trend lines will be complemented by the coefficient of determination expressed as text in the chart.</TD></TR></TBODY></TABLE><P></P><P style="font-size: 13px; font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; color: #3d3d3d;">Axis tab:</P><P></P><TABLE cellspacing="0" class="TableStyle-LeftBold" style="border: 0px; font-size: 13px; font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; color: #3d3d3d;"><TBODY style="font-weight: inherit; font-style: inherit; font-family: inherit;"><TR class="Body-Body1" style="border: 0px; font-weight: inherit; font-style: inherit; font-family: inherit;"><TD class="BodyE-Column1-Body1" style="padding-right: 4px; padding-left: 4px; border: 0px; font-style: inherit; font-family: inherit;">Backcast</TD><TD class="BodyD-Column2-Body1" style="padding-right: 4px; padding-left: 4px; border: 0px; font-style: inherit; font-family: inherit;"><P style="font-weight: inherit; font-style: inherit; font-family: inherit;">This function operates on trend lines. Enter into the text edit box how far back you would like to estimate the trend line. See <A class="MCXref_Italic_0" style="font-weight: inherit; font-style: inherit; font-family: inherit; color: #3778c7;"><EM style="font-weight: inherit; font-family: inherit;">Chart Properties: Expressions</EM></A>. The backcast portion of trend lines is displayed as dotted.</P></TD></TR><TR class="Body-Body1" style="border: 0px; font-weight: inherit; font-style: inherit; font-family: inherit;"><TD class="BodyE-Column1-Body1" style="padding-right: 4px; padding-left: 4px; border: 0px; font-style: inherit; font-family: inherit;"><SPAN style="font-weight: inherit; font-style: inherit; font-family: inherit; color: #ffffff; background-color: #3399ff;">Forecast</SPAN></TD><TD class="BodyD-Column2-Body1" style="padding-right: 4px; padding-left: 4px; border: 0px; font-style: inherit; font-family: inherit;"><P style="font-weight: inherit; font-style: inherit; font-family: inherit;">Enter into the text edit box how far you wish to predict the trend line. See <A class="MCXref_Italic_0" style="font-weight: inherit; font-style: inherit; font-family: inherit; color: #3778c7;"><EM style="font-weight: inherit; font-family: inherit;">Chart Properties: Expressions</EM></A>. The <SPAN style="font-weight: inherit; font-style: inherit; font-family: inherit; color: #ffffff; background-color: #3399ff;">forecast</SPAN> portion of trend lines is displayed as dotted.</P></TD></TR></TBODY></TABLE></BODY></HTML>Fri, 04 Sep 2015 07:31:19 GMThttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972264#M224184qlikmsg4u2015-09-04T07:31:19ZRe: Degrees of polynomial in chartshttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972265#M224185
<HTML><HEAD></HEAD><BODY><P>We use this option for Forecasting. Please find the below details taken from QlikView reeference manual</P><P></P><P>In selected QlikView charts expression plots can be complemented or replaced</P><P>by statistical trend lines. Trend lines can only be displayed in scatter charts,</P><P>line charts and in bar/combo charts with maximally one dimension and one</P><P>expression shown as bars. For other types of charts, the settings in the Trendlines</P><P>group are unavailable and have no effect. In scatter charts the data points</P><P>are treated as if y=f(x). For bar, line and combo charts it is allowed to deselect</P><P>all options under Display Options and still add trend lines, which will then be</P><P>plotted without the underlying data points. Trend lines in bar, line and combo</P><P>charts may be extrapolated by specifying a forecast and/or backcast interval</P><P>(Axes page). The extrapolated lines will be dotted. Trend lines in charts with a</P><P>discrete x-axis will be shown as lines with symbols. On a continuous axis</P><P>only the line will be shown.</P><P>Average</P><P>The average is plotted as a straight line.</P><P>Linear</P><P>A linear regression line is plotted.</P><P>Polynomial of 2nd degree</P><P>A polynomial trend line of the second degree is plotted.</P><P>Polynomial of 3rd degree</P><P>A polynomial trend line of the third degree is plotted.</P><P>Polynomial of 4th degree</P><P>A polynomial trend line of the fourth degree is plotted.</P><P>Exponential</P><P>An exponential trend line is plotted.</P><P>Show Equation</P><P>If this check box is marked for a specific expression, the expression’s trend</P><P>lines will be complemented by the trendline equation expressed as text in the</P><P>chart.</P><P>Show R2</P><P>If this check box is marked for a specific expression, the expression’s trend</P><P>lines will be complemented by the coefficient of determination expressed as</P><P>text in the chart.</P></BODY></HTML>Fri, 04 Sep 2015 07:37:56 GMThttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972265#M224185kush1410872015-09-04T07:37:56ZRe: Degrees of polynomial in chartshttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972266#M224186
<HTML><HEAD></HEAD><BODY><P>Hi, Could you please give an example of qvw? Thank you.</P></BODY></HTML>Fri, 04 Sep 2015 07:53:21 GMThttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972266#M224186qlikviewwizard2015-09-04T07:53:21ZRe: Degrees of polynomial in chartshttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972267#M224187
<HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Check this link for some basic stuff with examples, then you can easily understand it in Qlikview.&nbsp; </P><P></P><P><A href="https://www.mathsisfun.com/algebra/degree-expression.html" title="https://www.mathsisfun.com/algebra/degree-expression.html">Degree (of an Expression)</A></P><P></P><P>Regards,</P><P>Jagan.</P></BODY></HTML>Fri, 04 Sep 2015 08:05:08 GMThttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972267#M224187jagan2015-09-04T08:05:08ZRe: Degrees of polynomial in chartshttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972268#M224188
<HTML><HEAD></HEAD><BODY><P>Hi Jagan, As a science student, I was worked on this in academics.Could you please provide an example where we use in Qlikview develpment? Thank you.</P></BODY></HTML>Fri, 04 Sep 2015 08:28:58 GMThttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972268#M224188qlikviewwizard2015-09-04T08:28:58ZRe: Degrees of polynomial in chartshttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972269#M224189
<HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>In some statistical dashboards users request to add this polynomial, not sure how it really helps for them.&nbsp; But in Qlikview charts it is straight forward, just need to select option in Trendlines section of Expression tab.</P><P></P><P>Hope this helps you.</P><P></P><P>Regards,</P><P>Jagan.</P></BODY></HTML>Fri, 04 Sep 2015 08:45:43 GMThttps://community.qlik.com/t5/New-to-QlikView/Degrees-of-polynomial-in-charts/m-p/972269#M224189jagan2015-09-04T08:45:43Z